Speed up Eclipse

I've just noticed a big performance improvement in Eclipse 3.5 (Galileo), just by launching it with the latest JRE (1.6.0_16) and unlocking the new G1 garbage collector. My startup time has reduced from about 30 secs to 4-5 secs and the interface is snappier.

Here is my eclipse.ini:

-startup
plugins/org.eclipse.equinox.launcher_1.0.200.v20090520.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.0.200.v20090519
-product
org.eclipse.epp.package.java.product
-data
c:\eclipse
-showlocation
-showsplash
org.eclipse.platform
--launcher.XXMaxPermSize
384m
-vm
C:\program files\Java\jdk1.6.0_16\jre\bin\client\jvm.dll
-vmargs
-Dosgi.requiredJavaVersion=1.5
-Xms128m
-Xmx384m
-Xss4m
-XX:PermSize=128m
-XX:MaxPermSize=128m
-XX:CompileThreshold=5
-XX:MaxGCPauseMillis=10
-XX:MaxHeapFreeRatio=70
-XX:+UnlockExperimentalVMOptions
-XX:+UseG1GC
-XX:+UseFastAccessorMethods
-XX:+AggressiveOpts
-Dcom.sun.management.jmxremote

Let me know if there are any other improvements I can make!